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| 拱半椭圆形钢板弹簧 | |||
| 弓形弹簧 | |||
| 弓形片弹簧; 船首倒缆; 前倒缆 | |||
| bow spring: 19 phrases in 6 subjects |
| Construction | 1 |
| Drilling | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 6 |
| Technology | 9 |
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